nixos/modules/options/gpg.nix

{
  lib,
  ...
}:
with lib;
{
  options.modules.gpg = {
    enable = mkEnableOption "gpg-agent";

    signingKey = mkOption {
      type = types.nullOr types.str;
      default = null;
      description = "The key ID to sign with for git";
    };
  };
}